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What is the cross-section shape of curly hair? a. Hexagonal b. Round c. Rectangular d. Oval

What term refers to the scientific study of hair and its diseases and care? a. Trichology b. Cosmetology c. Selenology d. Cartology

The condition of abnormal hair growth of terminal hair is referred to as _____. a. monilethrix b. ringed hair c. hypertrichosis d. trichoptilosis

The small, involuntary muscle fiber in the base of the hair follicle is the _____. a. inner follicle b. angled bulb c. arrector pili d. dermal papilla

Hair is composed of protein that grows from cells originating within the _____. a. hair bulb b. hair follicle c. dermal papilla d. medulla layer

The units of structure that build protein and are joined together end to end like pop beads are _____. a. oxygenated cells b. primary acids c. amino acids d. lymph glands

_____ shampoos contain special chemicals or drugs that are effective in reducing dandruff or relieving other scalp conditions, and may sometimes be prescribed by a physician. a. Clarifying b. Conditioning c. Balancing d. Medicated

What is the resting phase or final phase of the hair cycle that lasts until the fully grown hair is shed? a. Telogen phase b. Anagen phase c. Catagen phase d. Transition phase  

 _____ colors encompass blues, greens, violets, and blue-reds.

The two types of contact dermatitis are _____.